From 5fd17f0759b8875287307ae4f4d95875c08aa845 Mon Sep 17 00:00:00 2001 From: Ricardo Band Date: Sun, 26 Mar 2023 03:58:52 +0200 Subject: [PATCH] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 78b653d..fde968e 100644 --- a/README.md +++ b/README.md @@ -10,7 +10,7 @@ This is the documentation for the CCCB street sign internals. Here you can figur [![connection diagram for the electronics](https://github.com/cccb/cccb-schild/raw/main/electronics.drawio.svg)](https://app.diagrams.net/?mode=github#Hcccb%2Fcccb-schild%2Fmain%2Felectronics.drawio.svg) -The Microcontroller used is a [Olimex ESP32-POE-ISO-EA-IND](https://www.olimex.com/Products/IoT/ESP32/ESP32-POE-ISO/open-source-hardware) which supports Ethernet and POE. This simplified the power management and connectivity. +The Microcontroller used is a [Olimex ESP32-POE-ISO-IND](https://www.olimex.com/Products/IoT/ESP32/ESP32-POE-ISO/open-source-hardware) which supports Ethernet and POE. This simplified the power management and connectivity. Instead of a normal level shifter, a [Diodes 74AHCT1G126](https://www.diodes.com/assets/Datasheets/74AHCT1G126.pdf) is used. Don't ask me why this works.